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Search: id:A081196
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A081196 a(n)=(n+4)^n*C(n+2,2). +0
1
1, 15, 216, 3430, 61440, 1240029, 28000000, 701538156, 19349176320, 583247465515, 19090807228416, 674680957031250, 25614222880669696, 1039980693455123385, 44977604109849722880, 2064633276062972568664 (list; graph; listen)
OFFSET

0,2

COMMENT

Diagonal of A081130.

FORMULA

a(n)=(n+4)^nC(n+2, 2).

CROSSREFS

Sequence in context: A113362 A135519 A051826 this_sequence A020287 A152272 A091644

Adjacent sequences: A081193 A081194 A081195 this_sequence A081197 A081198 A081199

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 11 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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